[PATCH char-misc-next 1/4] mei: make polling wait interruptible

[Alexander Usyskin <alexander.usyskin@intel.com>]

Polling thread wait should be interruptible to avoid stuck task.

Reviewed-by: Menachem Adin <menachem.adin@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
 drivers/misc/mei/gsc-me.c | 2 +-
 drivers/misc/mei/hw-me.c  | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index 376840b2c354..b38ddb04f2e8 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -242,7 +242,7 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device)
 
 	if (mei_me_hw_use_polling(hw)) {
 		hw->is_active = true;
-		wake_up(&hw->wait_active);
+		wake_up_interruptible(&hw->wait_active);
 	}
 
 	mutex_unlock(&dev->device_lock);
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index e7fbc02fb70f..ef7e1289ad7e 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1441,9 +1441,9 @@ int mei_me_polling_thread(void *_dev)
 		struct mei_me_hw *hw = to_me_hw(dev);
 		u32 hcsr;
 
-		wait_event_timeout(hw->wait_active,
-				   hw->is_active || kthread_should_stop(),
-				   msecs_to_jiffies(MEI_POLLING_TIMEOUT_IDLE));
+		wait_event_interruptible_timeout(hw->wait_active,
+						 hw->is_active || kthread_should_stop(),
+						 msecs_to_jiffies(MEI_POLLING_TIMEOUT_IDLE));
 
 		if (kthread_should_stop())
 			break;

-- 
2.53.0